dns-suite.js/packer/type.txt.js

(function (exports) {
'use strict';

// Record type is just any text.

exports.DNS_PACKER_TYPE_TXT = function (ab, dv, total, record) {
    if (!record.data){
        throw new Error("no data for TXT record");
    }

    var txtLen = 0;
    var rdLenIndex = total;
    total += 3;

    // RDATA
    record.data.forEach(function(str){

      str.split('').forEach(function(ch){

      txtLen += 1;
      // console.log(chcim);
      dv.setUint8(total, ch.charCodeAt(0), false);
      total += 1;

      });
    });

    dv.setUint16(rdLenIndex, txtLen+1, false);
    dv.setUint8(rdLenIndex+2, txtLen, false);
    // total +=1;

    return total;
};

}('undefined' !== typeof window ? window : exports));